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tonalite

Line breaks: tonal|ite
Pronunciation: /ˈtɒn(ə)lʌɪt/

Entry from British & World English dictionary

Definition of tonalite in English:

noun

[mass noun] Geology
A coarse-grained plutonic rock consisting chiefly of sodic plagioclase, quartz, and hornblende or other mafic minerals: fields of tonalite [count noun]: the margins are invaded by mantle-derived tonalites

Origin

late 19th century: from Tonale Pass, northern Italy, + -ite1.

Derivatives

tonalitic

1
Pronunciation: /tɒnəˈlɪtɪk/
adjective

Definition of tonalite in:

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